Cita APA

Ellis, W. N., Darrow, K., McRobie, G., & Smith, F. W. (1979). Appropriate technology developments in the United Estates and their relevance to the third world. París FR: O.E.C.D.

Citación estilo Chicago

Ellis, William N., Kenneth Darrow, George McRobie, y Frederick W. Smith. Appropriate Technology Developments in the United Estates and Their Relevance to the Third World. París FR: O.E.C.D, 1979.

Cita MLA

Ellis, William N., Kenneth Darrow, George McRobie, y Frederick W. Smith. Appropriate Technology Developments in the United Estates and Their Relevance to the Third World. París FR: O.E.C.D, 1979.